1 files changed, 81 insertions, 0 deletions
diff --git a/services/audiopolicy/common/managerdefinitions/include/AudioPolicyMix.h b/services/audiopolicy/common/managerdefinitions/include/AudioPolicyMix.h
new file mode 100644
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--- /dev/null
+++ b/services/audiopolicy/common/managerdefinitions/include/AudioPolicyMix.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <utils/RefBase.h>
+#include <media/AudioPolicy.h>
+#include <utils/KeyedVector.h>
+#include <hardware/audio.h>
+#include <utils/String8.h>
+
+namespace android {
+
+class AudioOutputDescriptor;
+
+/**
+ * custom mix entry in mPolicyMixes
+ */
+class AudioPolicyMix : public RefBase {
+public:
+    AudioPolicyMix() {}
+
+    const sp<AudioOutputDescriptor> &getOutput() const;
+
+    void setOutput(sp<AudioOutputDescriptor> &output);
+
+    void clearOutput();
+
+    android::AudioMix &getMix();
+
+    void setMix(AudioMix &mix);
+
+private:
+    AudioMix    mMix;                   // Audio policy mix descriptor
+    sp<AudioOutputDescriptor> mOutput;  // Corresponding output stream
+};
+
+
+class AudioPolicyMixCollection : public DefaultKeyedVector<String8, sp<AudioPolicyMix> >
+{
+public:
+    status_t getAudioPolicyMix(String8 address, sp<AudioPolicyMix> &policyMix) const;
+
+    status_t registerMix(String8 address, AudioMix mix);
+
+    status_t unregisterMix(String8 address);
+
+    void closeOutput(sp<AudioOutputDescriptor> &desc);
+
+    /**
+     * Try to find an output descriptor for the given attributes.
+     *
+     * @param[in] attributes to consider for the research of output descriptor.
+     * @param[out] desc to return if an output could be found.
+     *
+     * @return NO_ERROR if an output was found for the given attribute (in this case, the
+     *                  descriptor output param is initialized), error code otherwise.
+     */
+    status_t getOutputForAttr(audio_attributes_t attributes, sp<AudioOutputDescriptor> &desc);
+
+    audio_devices_t getDeviceAndMixForInputSource(audio_source_t inputSource,
+                                                  audio_devices_t availableDeviceTypes,
+                                                  AudioMix **policyMix);
+
+    status_t getInputMixForAttr(audio_attributes_t attr, AudioMix *&policyMix);
+};
+
+}; // namespace android